diff --git a/lib/recurly/amazon/amazon-pay.js b/lib/recurly/amazon/amazon-pay.js
index c95950642..bd938895f 100644
--- a/lib/recurly/amazon/amazon-pay.js
+++ b/lib/recurly/amazon/amazon-pay.js
@@ -10,10 +10,11 @@ class AmazonPay extends Emitter {
 
   attach (element) {
     this.parent = element;
+    this.region = this.options?.region || 'us';
     const defaultEventName = 'amazon-pay';
 
     this.frame = this.recurly.Frame({
-      path: '/amazon_pay/start',
+      path: `/amazon_pay/start?region=${this.region}`,
       type: Frame.TYPES.WINDOW,
       defaultEventName
     }).on('error', cause => console.log(cause))